-            sprintf(___(/*%1$s is url*/'Let me install this experimental add-on. <a href="%1$s">What\'s this?</a></label>')
+            sprintf(___(/*%1$s is url*/'Let me install this experimental add-on. <a href="%1$s">What\'s this?</a>')
                     , $this->Html->url('/pages/faq#experimental-addons')).'
             </strong>
+            </label>